* {
  padding: 0;
  margin: 0;
}
.f_color_red {
  color: red;
}
.f_color_orange {
  color: orange;
}
.f_color_yellow {
  color: yellow;
}
.f_color_green {
  color: green;
}
.f_color_cyan {
  color: cyan;
}
.f_color_blue {
  color: blue;
}
.f_color_purple {
  color: purple;
}
.f_color_darkgray {
  color: darkgray;
}
.f_color_violet {
  color: violet;
}
.f_color_coral {
  color: coral;
}